How many companies in the “Heating, air conditioning and ventilation – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 23,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (October 2026). The total number of companies in the “Heating, air conditioning and ventilation – installation” industry in Germany is therefore at least 23,500. Most are located in North Rhine-Westphalia (4,762), Bavaria (4,091), Baden-Württemberg (2,843).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 4,762 | 20% | 26.3 |
| Bavaria | 4,091 | 17% | 30.6 |
| Baden-Württemberg | 2,843 | 12% | 25.2 |
| Lower Saxony | 2,215 | 9% | 27.2 |
| Hesse | 1,741 | 7% | 27.2 |
| Saxony | 1,403 | 6% | 34.3 |
| Rhineland-Palatinate | 1,264 | 5% | 30.4 |
| Thuringia | 999 | 4% | 46.9 |
| Schleswig-Holstein | 902 | 4% | 30.5 |
| Brandenburg | 893 | 4% | 34.7 |
| Saxony-Anhalt | 733 | 3% | 33.5 |
| Berlin | 589 | 2% | 15.2 |
| Mecklenburg-Western Pomerania | 505 | 2% | 31.0 |
| Hamburg | 422 | 2% | 22.1 |
| Saarland | 294 | 1% | 29.7 |
| Bremen | 127 | 1% | 18.1 |
| Germany | 23,819 | 100% | 28.2 |
Cities with the most companies in the “Heating, air conditioning and ventilation – installation” industry
Digitalization
54% of companies in the “Heating, air conditioning and ventilation – installation” industry have no website of their own.
Related industries
- Landscaping and gardening28,973
- Building and civil engineering50,053
- Electrical installation40,069
- Metal construction19,103
- Painting and decorating business25,332
- Building construction51,859
- Plumbing and sheet metal work22,835
- Heating installation25,024
- Flooring installation18,788
- Civil engineering57,939
- Interior finishing17,249
- Paint shop10,385
- Plumbing installation27,671
- Timber construction (carpentry)13,351
- Roofing company13,028
- Tiling contractor12,017
Frequently asked questions
How many companies in the “Heating, air conditioning and ventilation – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 23,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (October 2026). The total number of companies in the “Heating, air conditioning and ventilation – installation” industry in Germany is therefore at least 23,500. Most are located in North Rhine-Westphalia (4,762), Bavaria (4,091), Baden-Württemberg (2,843).
Which German cities have the most companies in the “Heating, air conditioning and ventilation – installation” industry?
Berlin (589), Hamburg (441), Cologne (218), Munich (209), Düsseldorf (145).
How many companies in the “Heating, air conditioning and ventilation – installation” industry in Germany have a website?
46% have their own website, 43% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 18, 2026. Businesses in liquidation or with a recognizable closure are not counted.
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 23,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/heating-air-conditioning-and-ventilation-installation).
The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.
Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 18, 2026.